MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded links, many pointing to potentially malicious domains, suggesting a phishing or malware distribution lure. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this by identifying a link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://luckdidea.com/ckfinder/images_store/files/lufikojito.pdf In PDF document text
- https://10s317.com/uploads/files/202109052201219689.pdfIn PDF document text
- http://kiiga.ru/userfiles/file/90695685621.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613562e59cf7d---kalafuf.pdfIn PDF document text
- http://www.ctnphrae.com/ckfinder/userfiles/files/sadonixerilo.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/14577875286.pdfIn PDF document text
- https://producedepot.us/userfiles/files/pobotosuwabinapomap.pdfIn PDF document text
- http://sahcarpets.com/userfiles/file/12973850924.pdfIn PDF document text
- https://giant-nano.com/app/webroot/userfiles/files/zajipivogarivutotu.pdfIn PDF document text
- https://hiddencliff.kr/FileData/ckfinder/files/20210905_945A0B07DA57AF4D.pdfIn PDF document text
- http://metaglas.kr/userData/board/file/11837420127.pdfIn PDF document text
- http://riasztoszolnok.hu/admin/fck_upload/file/39110248731.pdfIn PDF document text
- http://adhunikjewellers.com/ckfinder/userfiles/files/18373225830.pdfIn PDF document text
- http://clingac.es/d/files/1794905347.pdfIn PDF document text
- http://adance0112.com/upfile/editor/file/14926500580.pdfIn PDF document text
- http://studiolegalezullo.eu/userfiles/files/duzuvikabodajijonov.pdfIn PDF document text
- https://diamond-marketing.cz/soubory/raviva.pdfIn PDF document text
- https://www.zochrot.org/ckfinder/userfiles/files/27653031913.pdfIn PDF document text
- http://wjcopy.com/upload/files/mijakoxakaxajabudodi.pdfIn PDF document text
- http://cjatkinson.com/userimages/rasirinorufijaxipiwomete.pdfIn PDF document text
- https://tenekedjieva.com/uploads/file/vasudonojufu.pdfIn PDF document text
- https://nadrozmerne-sklo.cz/uploads/sinuti.pdfIn PDF document text
- http://exmar.it/foto_fck/file/40794305694.pdfIn PDF document text
- http://etyekilovarda.hu/userfiles/file/74872687589.pdfIn PDF document text
- http://zzquansu.cn/d/files/riximenosakavafu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=decimal+to+hexPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bfe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFE2 | 16496 bytes |
SHA-256: a749d97c31c9371ae052867b127bbc7c5cb4498ea58aad8f1b8d5ad7cbd6aeae |
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font_01_sfnt_off0000ea42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA42 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010259.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10259 | 10224 bytes |
SHA-256: 0ecb00851bcf71552dea18b42602a0c6262fa0f2ade3ee23c8d15e0efe541e19 |
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